<template>
    <div class="wrapper">
        <swiper :options="swiperOption" v-if="showSwiper">
            <swiper-slide v-for="item of list" :key="item.id">
                <img class="swiper-img" :src="item.imgUrl" />
            </swiper-slide>
            <div class="swiper-pagination" slot="pagination"></div>
        </swiper>
    </div>
</template>

<script>
export default {
    name: 'HomeSwiper',
    props: {
        list: Array
    },
    data() {
        return {
            swiperOption: {
                pagination: '.swiper-pagination',
                loop: true
            }
        }
    },
    computed: {
        showSwiper() {
            return this.list.length
        }
    }
}
</script>

<!--  >>> 这个箭头是.wrapper里的类应用以下样式-->
<style lang="stylus" scoped>
    .wrapper >>> .swiper-pagination-bullet-active
        background: white !important
    .wrapper
        overflow: hidden
        width: 100%
        height: 0
        padding-bottom: 31.25%
        background: #fff
        .swiper-img
            width: 100%
</style>
